./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/jain_4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/jain_4-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 711faf7685b3c3e4c3b713f323878d6dc1fd9b31 ................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:29:30,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:29:30,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:29:30,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:29:30,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:29:30,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:29:30,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:29:30,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:29:30,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:29:30,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:29:30,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:29:30,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:29:30,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:29:30,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:29:30,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:29:30,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:29:30,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:29:30,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:29:30,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:29:30,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:29:30,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:29:30,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:29:30,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:29:30,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:29:30,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:29:30,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:29:30,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:29:30,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:29:30,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:29:30,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:29:30,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:29:30,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:29:30,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:29:30,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:29:30,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:29:30,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:29:30,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:29:30,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:29:30,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:29:30,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:29:30,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:29:30,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-10-20 06:29:30,417 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:29:30,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:29:30,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:29:30,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:29:30,420 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:29:30,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:29:30,421 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:29:30,421 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:29:30,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:29:30,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:29:30,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:29:30,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 06:29:30,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:29:30,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 06:29:30,424 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-20 06:29:30,424 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:29:30,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:29:30,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:29:30,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 06:29:30,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:29:30,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:29:30,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:29:30,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:29:30,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:29:30,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:29:30,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:29:30,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 06:29:30,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:29:30,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:29:30,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 06:29:30,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:29:30,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 711faf7685b3c3e4c3b713f323878d6dc1fd9b31 [2020-10-20 06:29:30,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:29:30,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:29:30,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:29:30,673 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:29:30,673 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:29:30,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_4-1.c [2020-10-20 06:29:30,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32057353d/9f25b47fa60449428465370f67dc3ae2/FLAGb75b23cd9 [2020-10-20 06:29:31,196 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:29:31,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_4-1.c [2020-10-20 06:29:31,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32057353d/9f25b47fa60449428465370f67dc3ae2/FLAGb75b23cd9 [2020-10-20 06:29:31,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32057353d/9f25b47fa60449428465370f67dc3ae2 [2020-10-20 06:29:31,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:29:31,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:29:31,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:29:31,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:29:31,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:29:31,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:29:31" (1/1) ... [2020-10-20 06:29:31,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d8c49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:31, skipping insertion in model container [2020-10-20 06:29:31,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:29:31" (1/1) ... [2020-10-20 06:29:31,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:29:31,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:29:31,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:29:31,906 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:29:31,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:29:31,937 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:29:31,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:31 WrapperNode [2020-10-20 06:29:31,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:29:31,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:29:31,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:29:31,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:29:31,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:31" (1/1) ... [2020-10-20 06:29:31,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:31" (1/1) ... [2020-10-20 06:29:31,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:29:31,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:29:31,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:29:31,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:29:31,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:31" (1/1) ... [2020-10-20 06:29:31,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:31" (1/1) ... [2020-10-20 06:29:31,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:31" (1/1) ... [2020-10-20 06:29:31,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:31" (1/1) ... [2020-10-20 06:29:31,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:31" (1/1) ... [2020-10-20 06:29:31,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:31" (1/1) ... [2020-10-20 06:29:31,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:31" (1/1) ... [2020-10-20 06:29:31,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:29:31,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:29:31,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:29:31,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:29:31,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:29:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:29:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:29:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 06:29:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:29:32,341 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:29:32,341 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-20 06:29:32,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:29:32 BoogieIcfgContainer [2020-10-20 06:29:32,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:29:32,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:29:32,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:29:32,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:29:32,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:29:31" (1/3) ... [2020-10-20 06:29:32,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a479d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:29:32, skipping insertion in model container [2020-10-20 06:29:32,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:29:31" (2/3) ... [2020-10-20 06:29:32,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a479d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:29:32, skipping insertion in model container [2020-10-20 06:29:32,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:29:32" (3/3) ... [2020-10-20 06:29:32,352 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_4-1.c [2020-10-20 06:29:32,366 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:29:32,379 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-10-20 06:29:32,398 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-10-20 06:29:32,426 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:29:32,427 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 06:29:32,427 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:29:32,427 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:29:32,427 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:29:32,427 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:29:32,427 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:29:32,428 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:29:32,450 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-10-20 06:29:32,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-20 06:29:32,458 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:29:32,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-20 06:29:32,460 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:29:32,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:29:32,467 INFO L82 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2020-10-20 06:29:32,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:29:32,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136614698] [2020-10-20 06:29:32,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:29:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:29:32,587 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:29:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:29:32,605 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:29:32,628 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:29:32,628 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 06:29:32,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 06:29:32,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:29:32 BoogieIcfgContainer [2020-10-20 06:29:32,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:29:32,653 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:29:32,653 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:29:32,654 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:29:32,654 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:29:32" (3/4) ... [2020-10-20 06:29:32,656 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 06:29:32,698 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:29:32,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:29:32,701 INFO L168 Benchmark]: Toolchain (without parser) took 1102.24 ms. Allocated memory was 36.2 MB in the beginning and 45.6 MB in the end (delta: 9.4 MB). Free memory was 10.3 MB in the beginning and 21.6 MB in the end (delta: -11.4 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:29:32,704 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 35.7 MB. Free memory was 14.6 MB in the beginning and 14.6 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 06:29:32,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.99 ms. Allocated memory was 36.2 MB in the beginning and 44.0 MB in the end (delta: 7.9 MB). Free memory was 9.4 MB in the beginning and 27.1 MB in the end (delta: -17.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:29:32,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.60 ms. Allocated memory is still 44.0 MB. Free memory was 26.9 MB in the beginning and 25.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:29:32,708 INFO L168 Benchmark]: Boogie Preprocessor took 20.87 ms. Allocated memory is still 44.0 MB. Free memory was 25.2 MB in the beginning and 24.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:29:32,710 INFO L168 Benchmark]: RCFGBuilder took 345.67 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 24.0 MB in the beginning and 20.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:29:32,710 INFO L168 Benchmark]: TraceAbstraction took 307.95 ms. Allocated memory is still 45.6 MB. Free memory was 20.2 MB in the beginning and 23.8 MB in the end (delta: -3.5 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:29:32,711 INFO L168 Benchmark]: Witness Printer took 44.85 ms. Allocated memory is still 45.6 MB. Free memory was 23.5 MB in the beginning and 21.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:29:32,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 35.7 MB. Free memory was 14.6 MB in the beginning and 14.6 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 333.99 ms. Allocated memory was 36.2 MB in the beginning and 44.0 MB in the end (delta: 7.9 MB). Free memory was 9.4 MB in the beginning and 27.1 MB in the end (delta: -17.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 38.60 ms. Allocated memory is still 44.0 MB. Free memory was 26.9 MB in the beginning and 25.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 20.87 ms. Allocated memory is still 44.0 MB. Free memory was 25.2 MB in the beginning and 24.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 345.67 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 24.0 MB in the beginning and 20.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 307.95 ms. Allocated memory is still 45.6 MB. Free memory was 20.2 MB in the beginning and 23.8 MB in the end (delta: -3.5 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 44.85 ms. Allocated memory is still 45.6 MB. Free memory was 23.5 MB in the beginning and 21.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x,y,z; [L16] x=0 [L17] y=0 [L18] z=0 [L20] COND TRUE 1 [L22] 4*__VERIFIER_nondet_int() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...